Title :
Vertical cavity lasers with tapered oxide apertures for low scattering loss
Author :
Hegblom, E.R. ; Thibeault, Brian J. ; Naone, R.L. ; Coldren, Larry A.
Author_Institution :
Dept. of Electr. & Comput. Eng., California Univ., Santa Barbara, CA
fDate :
5/8/1997 12:00:00 AM
Abstract :
The authors have fabricated vertical cavity lasers with tapered oxide apertures. The taper of the oxide aperture creates a more lens-like element within the cavity which, as predicted from theory, almost eliminates scattering losses in small devices with a 2 μm diameter opening
Keywords :
laser cavity resonators; optical losses; semiconductor lasers; surface emitting lasers; scattering loss; tapered oxide aperture; vertical cavity lasers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19970610
